Thomas is approached by two IRA members anxious to buy the guns, though he is careful not to commit himself. Grace, who has overheard, follows the Irishmen and ends up shooting one in self-defence though the IRA suspect the Peaky Blinders. Next day Thomas takes Grace to Cheltenham races, where he warns Kimber that the Lees are out to rob him. Arthur brings a gang who relieve the Lees of the money stolen as a result of which Kimber hires the Blinders as his security. He also tries to have his way with Grace but Thomas saves her by ungallantly claiming that she has ...

Thomas now has a legitimate betting licence and, although he is suspicious that she is not what she seems to be, employs Grace as his secretary. Younger brother John announces that, to give his children a mother, he is to marry again but Thomas disapproves of his choice of bride, prostitute Lizzie. Although the Lees attack and rob the Shelby house Thomas proposes a truce so that they can ally against Kimber. As part of the deal John marries the Lees' daughter Esme and Thomas sends word to Ada to attend the wedding. She is heavily pregnant and goes into labour at the ...

Responding to the Italians' actions, Tommy is set on a path of deadly vengeance that could take him to his darkest place yet, and threatens to splinter the family. Responding to the Italians' actions, meanwhile, as he makes plans for his mission on behalf of the Russians, he realises there is a traitor in his midst.

Tommy plans the arms robbery but Polly is troubled to think that he is about to kill Father Hughes and confesses to a priest. Meanwhile the Shelby women feel used and threaten to go on strike unless they are kept in the loop about events and given a cut of profits. Tommy enjoys sex with Tatiana, who shows her dangerous side, though he voices his suspicions to her regarding Hughes. However, thanks to Polly's confession he is arrested for plotting to kill him, beaten up and forced into an arrangement, giving him little choice but to betray the Russians to save his ...